This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A105885 #13 Mar 31 2024 15:04:39 %S A105885 2,3,5,23,37,41,43,73,79,89,97,107,109,127,131,137,139,149,179,191, %T A105885 197,199,241,251,263,281,283,293,317,347,349,353,367,397,401,439,449, %U A105885 457,467,491,503,509,523,541,557,563,571,577,593,599,607,613,617,647,659,719,727 %N A105885 Primes for which -13 is a primitive root. %C A105885 Primes p such that Legendre(-13,p) = -1. - _N. J. A. Sloane_, Dec 26 2017 %H A105885 Vincenzo Librandi, <a href="/A105885/b105885.txt">Table of n, a(n) for n = 1..1000</a> %H A105885 <a href="/index/Pri#primes_root">Index entries for primes by primitive root</a> %p A105885 Load the Maple program HH given in A296920. Then run HH(-13, 200); This produces A296926, A296927, A296928, A105885. - _N. J. A. Sloane_, Dec 26 2017 %t A105885 pr=-13; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &] %K A105885 nonn %O A105885 1,1 %A A105885 _N. J. A. Sloane_, Apr 24 2005